def say_hello(name, age):
    print('我叫{}，我今年{}岁'.format(name, age))

# say_hello('bolaoshi', 18)
# say_hello(age=18, name='bolaoshi')

bls_dict = {'name': 'bolaoshi', 'age':18}

say_hello(name='bolaoshi', age=18)
say_hello(**bls_dict)